JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 2B - 9/16 x 18 Morse Taper Adaptor It features a left-hand spiral

It features a left-hand spiral flute and right-hand cutting for controlled reaming

Its DIN69871 interface

ISO H5 tolerance per DIN 206‑B: Ensures precise hole sizes and repeatable results across parts and assemblies

while the straight shank ensures compatibility with common holders and CNC setups

Crafted in HSS-E (M35 cobalt) steel

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 2B - 9/16 x 18 Morse Taper Adaptor It features a left-hand spiralThe JBO Thread Plug Gauge is a UNF Go No Go plug gauge designed to verify internal threads in holes and components. Sized for right hand UNF threads at 9 16 x 18 with a 2B tolerance class, it enables fast, reliable pass fail checks during quality control and assembly. Designed for professionals across manufacturing, automotive, and aerospace environments, this gauge helps ensure parts meet UNF specifications and fit consistently in assemblies. The Go